1. Historical census statistics on the foreign-born population of the United States;Gibson,1999
2. Place of birth, citizenship and year of entry,1990
3. The newest New Yorkers 1990–1994,1996
4. U.S. Bureau of the Census. 1990 census of the population: social and economic characteristics, New York. Vol. 1 (Section 1). (CP-2-3: Table 168.) Washington, DC: U.S. Department of Commerce, 1993.
5. Immigration and immigrants;Fix,1994